Gemstone



FIG. 1 is a side view of an embodiment of the gemstone according to thepresent invention;

FIG. 2 is a top view of the gemstone of FIG. 1; and,

FIG. 3 is a bottom view of the gemstone of FIG. 1.

The broken lines are provide for illustrative purposes only and form nopart of the claimed design.

The ornamental design of a gemstone, as shown and described.